Solving Exponential and Logarithmic Equations

6. Exponential and Logarithmic Functions / Solving Exponential and Logarithmic Equations / Problem 2

Problem 2

Solve the following logarithmic equation and, where necessary, reject any x-value that makes the original function undefined. Use a calculator to approximate your solution to three decimal places.
log(5x) + log(x + 2) = log15

x = 1

x = - 3

x = 3

x = - 1

Solve the following logarithmic equation and, where necessary, reject any x-value that makes the original function undefined. Use a calculator to approximate your solution to three decimal places.log(5x) + log(x + 2) = log15